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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * --------------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * XYAreaRenderer2.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * --------------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2004-2011, by Hari and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  Hari (ourhari@hotmail.com);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   David Gilbert (for Object Refinery Limited);<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   Richard Atkinson;<a name="line.34"></a>
<span class="sourceLineNo">035</span> *                   Christian W. Zuckschwerdt;<a name="line.35"></a>
<span class="sourceLineNo">036</span> *                   Martin Krauskopf;<a name="line.36"></a>
<span class="sourceLineNo">037</span> *<a name="line.37"></a>
<span class="sourceLineNo">038</span> * Changes:<a name="line.38"></a>
<span class="sourceLineNo">039</span> * --------<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 03-Apr-2002 : Version 1, contributed by Hari.  This class is based on the<a name="line.40"></a>
<span class="sourceLineNo">041</span> *               StandardXYItemRenderer class (DG);<a name="line.41"></a>
<span class="sourceLineNo">042</span> * 09-Apr-2002 : Removed the translated zero from the drawItem method -<a name="line.42"></a>
<span class="sourceLineNo">043</span> *               overridden the initialise() method to calculate it (DG);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 30-May-2002 : Added tool tip generator to constructor to match super<a name="line.44"></a>
<span class="sourceLineNo">045</span> *               class (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 25-Jun-2002 : Removed unnecessary local variable (DG);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 05-Aug-2002 : Small modification to drawItem method to support URLs for<a name="line.47"></a>
<span class="sourceLineNo">048</span> *               HTML image maps (RA);<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 01-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 07-Nov-2002 : Renamed AreaXYItemRenderer --&gt; XYAreaRenderer (DG);<a name="line.50"></a>
<span class="sourceLineNo">051</span> * 25-Mar-2003 : Implemented Serializable (DG);<a name="line.51"></a>
<span class="sourceLineNo">052</span> * 01-May-2003 : Modified drawItem() method signature (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 27-Jul-2003 : Made line and polygon properties protected rather than<a name="line.53"></a>
<span class="sourceLineNo">054</span> *               private (RA);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 30-Jul-2003 : Modified entity constructor (CZ);<a name="line.55"></a>
<span class="sourceLineNo">056</span> * 20-Aug-2003 : Implemented Cloneable and PublicCloneable (DG);<a name="line.56"></a>
<span class="sourceLineNo">057</span> * 16-Sep-2003 : Changed ChartRenderingInfo --&gt; PlotRenderingInfo (DG);<a name="line.57"></a>
<span class="sourceLineNo">058</span> * 07-Oct-2003 : Added renderer state (DG);<a name="line.58"></a>
<span class="sourceLineNo">059</span> * 08-Dec-2003 : Modified hotspot for chart entity (DG);<a name="line.59"></a>
<span class="sourceLineNo">060</span> * 10-Feb-2004 : Changed the drawItem() method to make cut-and-paste<a name="line.60"></a>
<span class="sourceLineNo">061</span> *               overriding easier.  Also moved state class into this<a name="line.61"></a>
<span class="sourceLineNo">062</span> *               class (DG);<a name="line.62"></a>
<span class="sourceLineNo">063</span> * 25-Feb-2004 : Replaced CrosshairInfo with CrosshairState.  Renamed<a name="line.63"></a>
<span class="sourceLineNo">064</span> *               XYToolTipGenerator --&gt; XYItemLabelGenerator (DG);<a name="line.64"></a>
<span class="sourceLineNo">065</span> * 15-Jul-2004 : Switched getX() with getXValue() and getY() with<a name="line.65"></a>
<span class="sourceLineNo">066</span> *               getYValue() (DG);<a name="line.66"></a>
<span class="sourceLineNo">067</span> * 11-Nov-2004 : Now uses ShapeUtilities to translate shapes (DG);<a name="line.67"></a>
<span class="sourceLineNo">068</span> * 19-Jan-2005 : Now accesses only primitives from the dataset (DG);<a name="line.68"></a>
<span class="sourceLineNo">069</span> * 21-Mar-2005 : Override getLegendItem() (DG);<a name="line.69"></a>
<span class="sourceLineNo">070</span> * 20-Apr-2005 : Use generators for legend tooltips and URLs (DG);<a name="line.70"></a>
<span class="sourceLineNo">071</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.71"></a>
<span class="sourceLineNo">072</span> * 30-Nov-2006 : Fixed equals() and clone() implementations (DG);<a name="line.72"></a>
<span class="sourceLineNo">073</span> * 06-Feb-2007 : Fixed bug 1086307, crosshairs with multiple axes (DG);<a name="line.73"></a>
<span class="sourceLineNo">074</span> * 20-Apr-2007 : Updated getLegendItem() and drawItem() for renderer<a name="line.74"></a>
<span class="sourceLineNo">075</span> *               change (DG);<a name="line.75"></a>
<span class="sourceLineNo">076</span> * 17-May-2007 : Set datasetIndex and seriesIndex in getLegendItem() (DG);<a name="line.76"></a>
<span class="sourceLineNo">077</span> * 18-May-2007 : Set dataset and seriesKey for LegendItem (DG);<a name="line.77"></a>
<span class="sourceLineNo">078</span> * 17-Jun-2008 : Apply legend font and paint attributes (DG);<a name="line.78"></a>
<span class="sourceLineNo">079</span> * 06-Oct-2011 : Avoid GeneralPath methods requiring Java 1.5 (MK);<a name="line.79"></a>
<span class="sourceLineNo">080</span> *<a name="line.80"></a>
<span class="sourceLineNo">081</span> */<a name="line.81"></a>
<span class="sourceLineNo">082</span><a name="line.82"></a>
<span class="sourceLineNo">083</span>package org.jfree.chart.renderer.xy;<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span>import java.awt.Graphics2D;<a name="line.85"></a>
<span class="sourceLineNo">086</span>import java.awt.Paint;<a name="line.86"></a>
<span class="sourceLineNo">087</span>import java.awt.Shape;<a name="line.87"></a>
<span class="sourceLineNo">088</span>import java.awt.Stroke;<a name="line.88"></a>
<span class="sourceLineNo">089</span>import java.awt.geom.GeneralPath;<a name="line.89"></a>
<span class="sourceLineNo">090</span>import java.awt.geom.Rectangle2D;<a name="line.90"></a>
<span class="sourceLineNo">091</span>import java.io.IOException;<a name="line.91"></a>
<span class="sourceLineNo">092</span>import java.io.ObjectInputStream;<a name="line.92"></a>
<span class="sourceLineNo">093</span>import java.io.ObjectOutputStream;<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span>import org.jfree.chart.LegendItem;<a name="line.95"></a>
<span class="sourceLineNo">096</span>import org.jfree.chart.axis.ValueAxis;<a name="line.96"></a>
<span class="sourceLineNo">097</span>import org.jfree.chart.entity.EntityCollection;<a name="line.97"></a>
<span class="sourceLineNo">098</span>import org.jfree.chart.entity.XYItemEntity;<a name="line.98"></a>
<span class="sourceLineNo">099</span>import org.jfree.chart.event.RendererChangeEvent;<a name="line.99"></a>
<span class="sourceLineNo">100</span>import org.jfree.chart.labels.XYSeriesLabelGenerator;<a name="line.100"></a>
<span class="sourceLineNo">101</span>import org.jfree.chart.labels.XYToolTipGenerator;<a name="line.101"></a>
<span class="sourceLineNo">102</span>import org.jfree.chart.plot.CrosshairState;<a name="line.102"></a>
<span class="sourceLineNo">103</span>import org.jfree.chart.plot.PlotOrientation;<a name="line.103"></a>
<span class="sourceLineNo">104</span>import org.jfree.chart.plot.PlotRenderingInfo;<a name="line.104"></a>
<span class="sourceLineNo">105</span>import org.jfree.chart.plot.XYPlot;<a name="line.105"></a>
<span class="sourceLineNo">106</span>import org.jfree.chart.urls.XYURLGenerator;<a name="line.106"></a>
<span class="sourceLineNo">107</span>import org.jfree.data.xy.XYDataset;<a name="line.107"></a>
<span class="sourceLineNo">108</span>import org.jfree.io.SerialUtilities;<a name="line.108"></a>
<span class="sourceLineNo">109</span>import org.jfree.util.PublicCloneable;<a name="line.109"></a>
<span class="sourceLineNo">110</span>import org.jfree.util.ShapeUtilities;<a name="line.110"></a>
<span class="sourceLineNo">111</span><a name="line.111"></a>
<span class="sourceLineNo">112</span>/**<a name="line.112"></a>
<span class="sourceLineNo">113</span> * Area item renderer for an {@link XYPlot}. The example shown here is<a name="line.113"></a>
<span class="sourceLineNo">114</span> * generated by the &lt;code&gt;XYAreaRenderer2Demo1.java&lt;/code&gt; program included in<a name="line.114"></a>
<span class="sourceLineNo">115</span> * the JFreeChart demo collection:<a name="line.115"></a>
<span class="sourceLineNo">116</span> * &lt;br&gt;&lt;br&gt;<a name="line.116"></a>
<span class="sourceLineNo">117</span> * &lt;img src="../../../../../images/XYAreaRenderer2Sample.png"<a name="line.117"></a>
<span class="sourceLineNo">118</span> * alt="XYAreaRenderer2Sample.png" /&gt;<a name="line.118"></a>
<span class="sourceLineNo">119</span> */<a name="line.119"></a>
<span class="sourceLineNo">120</span>public class XYAreaRenderer2 extends AbstractXYItemRenderer<a name="line.120"></a>
<span class="sourceLineNo">121</span>        implements XYItemRenderer, PublicCloneable {<a name="line.121"></a>
<span class="sourceLineNo">122</span><a name="line.122"></a>
<span class="sourceLineNo">123</span>    /** For serialization. */<a name="line.123"></a>
<span class="sourceLineNo">124</span>    private static final long serialVersionUID = -7378069681579984133L;<a name="line.124"></a>
<span class="sourceLineNo">125</span><a name="line.125"></a>
<span class="sourceLineNo">126</span>    /** A flag that controls whether or not the outline is shown. */<a name="line.126"></a>
<span class="sourceLineNo">127</span>    private boolean showOutline;<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span>    /**<a name="line.129"></a>
<span class="sourceLineNo">130</span>     * The shape used to represent an area in each legend item (this should<a name="line.130"></a>
<span class="sourceLineNo">131</span>     * never be &lt;code&gt;null&lt;/code&gt;).<a name="line.131"></a>
<span class="sourceLineNo">132</span>     */<a name="line.132"></a>
<span class="sourceLineNo">133</span>    private transient Shape legendArea;<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span>    /**<a name="line.135"></a>
<span class="sourceLineNo">136</span>     * Constructs a new renderer.<a name="line.136"></a>
<span class="sourceLineNo">137</span>     */<a name="line.137"></a>
<span class="sourceLineNo">138</span>    public XYAreaRenderer2() {<a name="line.138"></a>
<span class="sourceLineNo">139</span>        this(null, null);<a name="line.139"></a>
<span class="sourceLineNo">140</span>    }<a name="line.140"></a>
<span class="sourceLineNo">141</span><a name="line.141"></a>
<span class="sourceLineNo">142</span>    /**<a name="line.142"></a>
<span class="sourceLineNo">143</span>     * Constructs a new renderer.<a name="line.143"></a>
<span class="sourceLineNo">144</span>     *<a name="line.144"></a>
<span class="sourceLineNo">145</span>     * @param labelGenerator  the tool tip generator to use.  &lt;code&gt;null&lt;/code&gt;<a name="line.145"></a>
<span class="sourceLineNo">146</span>     *                        is none.<a name="line.146"></a>
<span class="sourceLineNo">147</span>     * @param urlGenerator  the URL generator (null permitted).<a name="line.147"></a>
<span class="sourceLineNo">148</span>     */<a name="line.148"></a>
<span class="sourceLineNo">149</span>    public XYAreaRenderer2(XYToolTipGenerator labelGenerator,<a name="line.149"></a>
<span class="sourceLineNo">150</span>                           XYURLGenerator urlGenerator) {<a name="line.150"></a>
<span class="sourceLineNo">151</span>        super();<a name="line.151"></a>
<span class="sourceLineNo">152</span>        this.showOutline = false;<a name="line.152"></a>
<span class="sourceLineNo">153</span>        setBaseToolTipGenerator(labelGenerator);<a name="line.153"></a>
<span class="sourceLineNo">154</span>        setURLGenerator(urlGenerator);<a name="line.154"></a>
<span class="sourceLineNo">155</span>        GeneralPath area = new GeneralPath();<a name="line.155"></a>
<span class="sourceLineNo">156</span>        area.moveTo(0.0f, -4.0f);<a name="line.156"></a>
<span class="sourceLineNo">157</span>        area.lineTo(3.0f, -2.0f);<a name="line.157"></a>
<span class="sourceLineNo">158</span>        area.lineTo(4.0f, 4.0f);<a name="line.158"></a>
<span class="sourceLineNo">159</span>        area.lineTo(-4.0f, 4.0f);<a name="line.159"></a>
<span class="sourceLineNo">160</span>        area.lineTo(-3.0f, -2.0f);<a name="line.160"></a>
<span class="sourceLineNo">161</span>        area.closePath();<a name="line.161"></a>
<span class="sourceLineNo">162</span>        this.legendArea = area;<a name="line.162"></a>
<span class="sourceLineNo">163</span>    }<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span>    /**<a name="line.165"></a>
<span class="sourceLineNo">166</span>     * Returns a flag that controls whether or not outlines of the areas are<a name="line.166"></a>
<span class="sourceLineNo">167</span>     * drawn.<a name="line.167"></a>
<span class="sourceLineNo">168</span>     *<a name="line.168"></a>
<span class="sourceLineNo">169</span>     * @return The flag.<a name="line.169"></a>
<span class="sourceLineNo">170</span>     *<a name="line.170"></a>
<span class="sourceLineNo">171</span>     * @see #setOutline(boolean)<a name="line.171"></a>
<span class="sourceLineNo">172</span>     */<a name="line.172"></a>
<span class="sourceLineNo">173</span>    public boolean isOutline() {<a name="line.173"></a>
<span class="sourceLineNo">174</span>        return this.showOutline;<a name="line.174"></a>
<span class="sourceLineNo">175</span>    }<a name="line.175"></a>
<span class="sourceLineNo">176</span><a name="line.176"></a>
<span class="sourceLineNo">177</span>    /**<a name="line.177"></a>
<span class="sourceLineNo">178</span>     * Sets a flag that controls whether or not outlines of the areas are<a name="line.178"></a>
<span class="sourceLineNo">179</span>     * drawn, and sends a {@link RendererChangeEvent} to all registered<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * listeners.<a name="line.180"></a>
<span class="sourceLineNo">181</span>     *<a name="line.181"></a>
<span class="sourceLineNo">182</span>     * @param show  the flag.<a name="line.182"></a>
<span class="sourceLineNo">183</span>     *<a name="line.183"></a>
<span class="sourceLineNo">184</span>     * @see #isOutline()<a name="line.184"></a>
<span class="sourceLineNo">185</span>     */<a name="line.185"></a>
<span class="sourceLineNo">186</span>    public void setOutline(boolean show) {<a name="line.186"></a>
<span class="sourceLineNo">187</span>        this.showOutline = show;<a name="line.187"></a>
<span class="sourceLineNo">188</span>        fireChangeEvent();<a name="line.188"></a>
<span class="sourceLineNo">189</span>    }<a name="line.189"></a>
<span class="sourceLineNo">190</span><a name="line.190"></a>
<span class="sourceLineNo">191</span>    /**<a name="line.191"></a>
<span class="sourceLineNo">192</span>     * This method should not be used.<a name="line.192"></a>
<span class="sourceLineNo">193</span>     *<a name="line.193"></a>
<span class="sourceLineNo">194</span>     * @return &lt;code&gt;false&lt;/code&gt; always.<a name="line.194"></a>
<span class="sourceLineNo">195</span>     *<a name="line.195"></a>
<span class="sourceLineNo">196</span>     * @deprecated This method was included in the API by mistake and serves<a name="line.196"></a>
<span class="sourceLineNo">197</span>     *     no useful purpose.  It has always returned &lt;code&gt;false&lt;/code&gt;.<a name="line.197"></a>
<span class="sourceLineNo">198</span>     *<a name="line.198"></a>
<span class="sourceLineNo">199</span>     */<a name="line.199"></a>
<span class="sourceLineNo">200</span>    public boolean getPlotLines() {<a name="line.200"></a>
<span class="sourceLineNo">201</span>        return false;<a name="line.201"></a>
<span class="sourceLineNo">202</span>    }<a name="line.202"></a>
<span class="sourceLineNo">203</span><a name="line.203"></a>
<span class="sourceLineNo">204</span>    /**<a name="line.204"></a>
<span class="sourceLineNo">205</span>     * Returns the shape used to represent an area in the legend.<a name="line.205"></a>
<span class="sourceLineNo">206</span>     *<a name="line.206"></a>
<span class="sourceLineNo">207</span>     * @return The legend area (never &lt;code&gt;null&lt;/code&gt;).<a name="line.207"></a>
<span class="sourceLineNo">208</span>     *<a name="line.208"></a>
<span class="sourceLineNo">209</span>     * @see #setLegendArea(Shape)<a name="line.209"></a>
<span class="sourceLineNo">210</span>     */<a name="line.210"></a>
<span class="sourceLineNo">211</span>    public Shape getLegendArea() {<a name="line.211"></a>
<span class="sourceLineNo">212</span>        return this.legendArea;<a name="line.212"></a>
<span class="sourceLineNo">213</span>    }<a name="line.213"></a>
<span class="sourceLineNo">214</span><a name="line.214"></a>
<span class="sourceLineNo">215</span>    /**<a name="line.215"></a>
<span class="sourceLineNo">216</span>     * Sets the shape used as an area in each legend item and sends a<a name="line.216"></a>
<span class="sourceLineNo">217</span>     * {@link RendererChangeEvent} to all registered listeners.<a name="line.217"></a>
<span class="sourceLineNo">218</span>     *<a name="line.218"></a>
<span class="sourceLineNo">219</span>     * @param area  the area (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.219"></a>
<span class="sourceLineNo">220</span>     *<a name="line.220"></a>
<span class="sourceLineNo">221</span>     * @see #getLegendArea()<a name="line.221"></a>
<span class="sourceLineNo">222</span>     */<a name="line.222"></a>
<span class="sourceLineNo">223</span>    public void setLegendArea(Shape area) {<a name="line.223"></a>
<span class="sourceLineNo">224</span>        if (area == null) {<a name="line.224"></a>
<span class="sourceLineNo">225</span>            throw new IllegalArgumentException("Null 'area' argument.");<a name="line.225"></a>
<span class="sourceLineNo">226</span>        }<a name="line.226"></a>
<span class="sourceLineNo">227</span>        this.legendArea = area;<a name="line.227"></a>
<span class="sourceLineNo">228</span>        fireChangeEvent();<a name="line.228"></a>
<span class="sourceLineNo">229</span>    }<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span>    /**<a name="line.231"></a>
<span class="sourceLineNo">232</span>     * Returns a default legend item for the specified series.  Subclasses<a name="line.232"></a>
<span class="sourceLineNo">233</span>     * should override this method to generate customised items.<a name="line.233"></a>
<span class="sourceLineNo">234</span>     *<a name="line.234"></a>
<span class="sourceLineNo">235</span>     * @param datasetIndex  the dataset index (zero-based).<a name="line.235"></a>
<span class="sourceLineNo">236</span>     * @param series  the series index (zero-based).<a name="line.236"></a>
<span class="sourceLineNo">237</span>     *<a name="line.237"></a>
<span class="sourceLineNo">238</span>     * @return A legend item for the series.<a name="line.238"></a>
<span class="sourceLineNo">239</span>     */<a name="line.239"></a>
<span class="sourceLineNo">240</span>    public LegendItem getLegendItem(int datasetIndex, int series) {<a name="line.240"></a>
<span class="sourceLineNo">241</span>        LegendItem result = null;<a name="line.241"></a>
<span class="sourceLineNo">242</span>        XYPlot xyplot = getPlot();<a name="line.242"></a>
<span class="sourceLineNo">243</span>        if (xyplot != null) {<a name="line.243"></a>
<span class="sourceLineNo">244</span>            XYDataset dataset = xyplot.getDataset(datasetIndex);<a name="line.244"></a>
<span class="sourceLineNo">245</span>            if (dataset != null) {<a name="line.245"></a>
<span class="sourceLineNo">246</span>                XYSeriesLabelGenerator lg = getLegendItemLabelGenerator();<a name="line.246"></a>
<span class="sourceLineNo">247</span>                String label = lg.generateLabel(dataset, series);<a name="line.247"></a>
<span class="sourceLineNo">248</span>                String description = label;<a name="line.248"></a>
<span class="sourceLineNo">249</span>                String toolTipText = null;<a name="line.249"></a>
<span class="sourceLineNo">250</span>                if (getLegendItemToolTipGenerator() != null) {<a name="line.250"></a>
<span class="sourceLineNo">251</span>                    toolTipText = getLegendItemToolTipGenerator().generateLabel(<a name="line.251"></a>
<span class="sourceLineNo">252</span>                            dataset, series);<a name="line.252"></a>
<span class="sourceLineNo">253</span>                }<a name="line.253"></a>
<span class="sourceLineNo">254</span>                String urlText = null;<a name="line.254"></a>
<span class="sourceLineNo">255</span>                if (getLegendItemURLGenerator() != null) {<a name="line.255"></a>
<span class="sourceLineNo">256</span>                    urlText = getLegendItemURLGenerator().generateLabel(<a name="line.256"></a>
<span class="sourceLineNo">257</span>                            dataset, series);<a name="line.257"></a>
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<span class="sourceLineNo">261</span>                        urlText, this.legendArea, paint);<a name="line.261"></a>
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<span class="sourceLineNo">263</span>                Paint labelPaint = lookupLegendTextPaint(series);<a name="line.263"></a>
<span class="sourceLineNo">264</span>                if (labelPaint != null) {<a name="line.264"></a>
<span class="sourceLineNo">265</span>                    result.setLabelPaint(labelPaint);<a name="line.265"></a>
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<span class="sourceLineNo">267</span>                result.setDataset(dataset);<a name="line.267"></a>
<span class="sourceLineNo">268</span>                result.setDatasetIndex(datasetIndex);<a name="line.268"></a>
<span class="sourceLineNo">269</span>                result.setSeriesKey(dataset.getSeriesKey(series));<a name="line.269"></a>
<span class="sourceLineNo">270</span>                result.setSeriesIndex(series);<a name="line.270"></a>
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<span class="sourceLineNo">275</span><a name="line.275"></a>
<span class="sourceLineNo">276</span>    /**<a name="line.276"></a>
<span class="sourceLineNo">277</span>     * Draws the visual representation of a single data item.<a name="line.277"></a>
<span class="sourceLineNo">278</span>     *<a name="line.278"></a>
<span class="sourceLineNo">279</span>     * @param g2  the graphics device.<a name="line.279"></a>
<span class="sourceLineNo">280</span>     * @param state  the renderer state.<a name="line.280"></a>
<span class="sourceLineNo">281</span>     * @param dataArea  the area within which the data is being drawn.<a name="line.281"></a>
<span class="sourceLineNo">282</span>     * @param info  collects information about the drawing.<a name="line.282"></a>
<span class="sourceLineNo">283</span>     * @param plot  the plot (can be used to obtain standard color<a name="line.283"></a>
<span class="sourceLineNo">284</span>     *              information etc).<a name="line.284"></a>
<span class="sourceLineNo">285</span>     * @param domainAxis  the domain axis.<a name="line.285"></a>
<span class="sourceLineNo">286</span>     * @param rangeAxis  the range axis.<a name="line.286"></a>
<span class="sourceLineNo">287</span>     * @param dataset  the dataset.<a name="line.287"></a>
<span class="sourceLineNo">288</span>     * @param series  the series index (zero-based).<a name="line.288"></a>
<span class="sourceLineNo">289</span>     * @param item  the item index (zero-based).<a name="line.289"></a>
<span class="sourceLineNo">290</span>     * @param crosshairState  crosshair information for the plot<a name="line.290"></a>
<span class="sourceLineNo">291</span>     *                        (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.291"></a>
<span class="sourceLineNo">292</span>     * @param pass  the pass index.<a name="line.292"></a>
<span class="sourceLineNo">293</span>     */<a name="line.293"></a>
<span class="sourceLineNo">294</span>    public void drawItem(Graphics2D g2,<a name="line.294"></a>
<span class="sourceLineNo">295</span>                         XYItemRendererState state,<a name="line.295"></a>
<span class="sourceLineNo">296</span>                         Rectangle2D dataArea,<a name="line.296"></a>
<span class="sourceLineNo">297</span>                         PlotRenderingInfo info,<a name="line.297"></a>
<span class="sourceLineNo">298</span>                         XYPlot plot,<a name="line.298"></a>
<span class="sourceLineNo">299</span>                         ValueAxis domainAxis,<a name="line.299"></a>
<span class="sourceLineNo">300</span>                         ValueAxis rangeAxis,<a name="line.300"></a>
<span class="sourceLineNo">301</span>                         XYDataset dataset,<a name="line.301"></a>
<span class="sourceLineNo">302</span>                         int series,<a name="line.302"></a>
<span class="sourceLineNo">303</span>                         int item,<a name="line.303"></a>
<span class="sourceLineNo">304</span>                         CrosshairState crosshairState,<a name="line.304"></a>
<span class="sourceLineNo">305</span>                         int pass) {<a name="line.305"></a>
<span class="sourceLineNo">306</span><a name="line.306"></a>
<span class="sourceLineNo">307</span>        if (!getItemVisible(series, item)) {<a name="line.307"></a>
<span class="sourceLineNo">308</span>            return;<a name="line.308"></a>
<span class="sourceLineNo">309</span>        }<a name="line.309"></a>
<span class="sourceLineNo">310</span>        // get the data point...<a name="line.310"></a>
<span class="sourceLineNo">311</span>        double x1 = dataset.getXValue(series, item);<a name="line.311"></a>
<span class="sourceLineNo">312</span>        double y1 = dataset.getYValue(series, item);<a name="line.312"></a>
<span class="sourceLineNo">313</span>        if (Double.isNaN(y1)) {<a name="line.313"></a>
<span class="sourceLineNo">314</span>            y1 = 0.0;<a name="line.314"></a>
<span class="sourceLineNo">315</span>        }<a name="line.315"></a>
<span class="sourceLineNo">316</span><a name="line.316"></a>
<span class="sourceLineNo">317</span>        double transX1 = domainAxis.valueToJava2D(x1, dataArea,<a name="line.317"></a>
<span class="sourceLineNo">318</span>                plot.getDomainAxisEdge());<a name="line.318"></a>
<span class="sourceLineNo">319</span>        double transY1 = rangeAxis.valueToJava2D(y1, dataArea,<a name="line.319"></a>
<span class="sourceLineNo">320</span>                plot.getRangeAxisEdge());<a name="line.320"></a>
<span class="sourceLineNo">321</span><a name="line.321"></a>
<span class="sourceLineNo">322</span>        // get the previous point and the next point so we can calculate a<a name="line.322"></a>
<span class="sourceLineNo">323</span>        // "hot spot" for the area (used by the chart entity)...<a name="line.323"></a>
<span class="sourceLineNo">324</span>        double x0 = dataset.getXValue(series, Math.max(item - 1, 0));<a name="line.324"></a>
<span class="sourceLineNo">325</span>        double y0 = dataset.getYValue(series, Math.max(item - 1, 0));<a name="line.325"></a>
<span class="sourceLineNo">326</span>        if (Double.isNaN(y0)) {<a name="line.326"></a>
<span class="sourceLineNo">327</span>            y0 = 0.0;<a name="line.327"></a>
<span class="sourceLineNo">328</span>        }<a name="line.328"></a>
<span class="sourceLineNo">329</span>        double transX0 = domainAxis.valueToJava2D(x0, dataArea,<a name="line.329"></a>
<span class="sourceLineNo">330</span>                plot.getDomainAxisEdge());<a name="line.330"></a>
<span class="sourceLineNo">331</span>        double transY0 = rangeAxis.valueToJava2D(y0, dataArea,<a name="line.331"></a>
<span class="sourceLineNo">332</span>                plot.getRangeAxisEdge());<a name="line.332"></a>
<span class="sourceLineNo">333</span><a name="line.333"></a>
<span class="sourceLineNo">334</span>        int itemCount = dataset.getItemCount(series);<a name="line.334"></a>
<span class="sourceLineNo">335</span>        double x2 = dataset.getXValue(series, Math.min(item + 1,<a name="line.335"></a>
<span class="sourceLineNo">336</span>                itemCount - 1));<a name="line.336"></a>
<span class="sourceLineNo">337</span>        double y2 = dataset.getYValue(series, Math.min(item + 1,<a name="line.337"></a>
<span class="sourceLineNo">338</span>                itemCount - 1));<a name="line.338"></a>
<span class="sourceLineNo">339</span>        if (Double.isNaN(y2)) {<a name="line.339"></a>
<span class="sourceLineNo">340</span>            y2 = 0.0;<a name="line.340"></a>
<span class="sourceLineNo">341</span>        }<a name="line.341"></a>
<span class="sourceLineNo">342</span>        double transX2 = domainAxis.valueToJava2D(x2, dataArea,<a name="line.342"></a>
<span class="sourceLineNo">343</span>                plot.getDomainAxisEdge());<a name="line.343"></a>
<span class="sourceLineNo">344</span>        double transY2 = rangeAxis.valueToJava2D(y2, dataArea,<a name="line.344"></a>
<span class="sourceLineNo">345</span>                plot.getRangeAxisEdge());<a name="line.345"></a>
<span class="sourceLineNo">346</span><a name="line.346"></a>
<span class="sourceLineNo">347</span>        double transZero = rangeAxis.valueToJava2D(0.0, dataArea,<a name="line.347"></a>
<span class="sourceLineNo">348</span>                plot.getRangeAxisEdge());<a name="line.348"></a>
<span class="sourceLineNo">349</span>        GeneralPath hotspot = new GeneralPath();<a name="line.349"></a>
<span class="sourceLineNo">350</span>        if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {<a name="line.350"></a>
<span class="sourceLineNo">351</span>            moveTo(hotspot, transZero, ((transX0 + transX1) / 2.0));<a name="line.351"></a>
<span class="sourceLineNo">352</span>            lineTo(hotspot, ((transY0 + transY1) / 2.0),<a name="line.352"></a>
<span class="sourceLineNo">353</span>                            ((transX0 + transX1) / 2.0));<a name="line.353"></a>
<span class="sourceLineNo">354</span>            lineTo(hotspot, transY1, transX1);<a name="line.354"></a>
<span class="sourceLineNo">355</span>            lineTo(hotspot, ((transY1 + transY2) / 2.0),<a name="line.355"></a>
<span class="sourceLineNo">356</span>                            ((transX1 + transX2) / 2.0));<a name="line.356"></a>
<span class="sourceLineNo">357</span>            lineTo(hotspot, transZero, ((transX1 + transX2) / 2.0));<a name="line.357"></a>
<span class="sourceLineNo">358</span>        }<a name="line.358"></a>
<span class="sourceLineNo">359</span>        else {  // vertical orientation<a name="line.359"></a>
<span class="sourceLineNo">360</span>            moveTo(hotspot, ((transX0 + transX1) / 2.0), transZero);<a name="line.360"></a>
<span class="sourceLineNo">361</span>            lineTo(hotspot, ((transX0 + transX1) / 2.0),<a name="line.361"></a>
<span class="sourceLineNo">362</span>                            ((transY0 + transY1) / 2.0));<a name="line.362"></a>
<span class="sourceLineNo">363</span>            lineTo(hotspot, transX1, transY1);<a name="line.363"></a>
<span class="sourceLineNo">364</span>            lineTo(hotspot, ((transX1 + transX2) / 2.0),<a name="line.364"></a>
<span class="sourceLineNo">365</span>                            ((transY1 + transY2) / 2.0));<a name="line.365"></a>
<span class="sourceLineNo">366</span>            lineTo(hotspot, ((transX1 + transX2) / 2.0), transZero);<a name="line.366"></a>
<span class="sourceLineNo">367</span>        }<a name="line.367"></a>
<span class="sourceLineNo">368</span>        hotspot.closePath();<a name="line.368"></a>
<span class="sourceLineNo">369</span><a name="line.369"></a>
<span class="sourceLineNo">370</span>        PlotOrientation orientation = plot.getOrientation();<a name="line.370"></a>
<span class="sourceLineNo">371</span>        Paint paint = getItemPaint(series, item);<a name="line.371"></a>
<span class="sourceLineNo">372</span>        Stroke stroke = getItemStroke(series, item);<a name="line.372"></a>
<span class="sourceLineNo">373</span>        g2.setPaint(paint);<a name="line.373"></a>
<span class="sourceLineNo">374</span>        g2.setStroke(stroke);<a name="line.374"></a>
<span class="sourceLineNo">375</span><a name="line.375"></a>
<span class="sourceLineNo">376</span>        // Check if the item is the last item for the series.<a name="line.376"></a>
<span class="sourceLineNo">377</span>        // and number of items &gt; 0.  We can't draw an area for a single point.<a name="line.377"></a>
<span class="sourceLineNo">378</span>        g2.fill(hotspot);<a name="line.378"></a>
<span class="sourceLineNo">379</span><a name="line.379"></a>
<span class="sourceLineNo">380</span>        // draw an outline around the Area.<a name="line.380"></a>
<span class="sourceLineNo">381</span>        if (isOutline()) {<a name="line.381"></a>
<span class="sourceLineNo">382</span>            g2.setStroke(lookupSeriesOutlineStroke(series));<a name="line.382"></a>
<span class="sourceLineNo">383</span>            g2.setPaint(lookupSeriesOutlinePaint(series));<a name="line.383"></a>
<span class="sourceLineNo">384</span>            g2.draw(hotspot);<a name="line.384"></a>
<span class="sourceLineNo">385</span>        }<a name="line.385"></a>
<span class="sourceLineNo">386</span>        int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);<a name="line.386"></a>
<span class="sourceLineNo">387</span>        int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);<a name="line.387"></a>
<span class="sourceLineNo">388</span>        updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex,<a name="line.388"></a>
<span class="sourceLineNo">389</span>                rangeAxisIndex, transX1, transY1, orientation);<a name="line.389"></a>
<span class="sourceLineNo">390</span><a name="line.390"></a>
<span class="sourceLineNo">391</span>        // collect entity and tool tip information...<a name="line.391"></a>
<span class="sourceLineNo">392</span>        if (state.getInfo() != null) {<a name="line.392"></a>
<span class="sourceLineNo">393</span>            EntityCollection entities = state.getEntityCollection();<a name="line.393"></a>
<span class="sourceLineNo">394</span>            if (entities != null) {<a name="line.394"></a>
<span class="sourceLineNo">395</span>                String tip = null;<a name="line.395"></a>
<span class="sourceLineNo">396</span>                XYToolTipGenerator generator = getToolTipGenerator(series,<a name="line.396"></a>
<span class="sourceLineNo">397</span>                        item);<a name="line.397"></a>
<span class="sourceLineNo">398</span>                if (generator != null) {<a name="line.398"></a>
<span class="sourceLineNo">399</span>                    tip = generator.generateToolTip(dataset, series, item);<a name="line.399"></a>
<span class="sourceLineNo">400</span>                }<a name="line.400"></a>
<span class="sourceLineNo">401</span>                String url = null;<a name="line.401"></a>
<span class="sourceLineNo">402</span>                if (getURLGenerator() != null) {<a name="line.402"></a>
<span class="sourceLineNo">403</span>                    url = getURLGenerator().generateURL(dataset, series, item);<a name="line.403"></a>
<span class="sourceLineNo">404</span>                }<a name="line.404"></a>
<span class="sourceLineNo">405</span>                XYItemEntity entity = new XYItemEntity(hotspot, dataset,<a name="line.405"></a>
<span class="sourceLineNo">406</span>                        series, item, tip, url);<a name="line.406"></a>
<span class="sourceLineNo">407</span>                entities.add(entity);<a name="line.407"></a>
<span class="sourceLineNo">408</span>            }<a name="line.408"></a>
<span class="sourceLineNo">409</span>        }<a name="line.409"></a>
<span class="sourceLineNo">410</span><a name="line.410"></a>
<span class="sourceLineNo">411</span>    }<a name="line.411"></a>
<span class="sourceLineNo">412</span><a name="line.412"></a>
<span class="sourceLineNo">413</span>    /**<a name="line.413"></a>
<span class="sourceLineNo">414</span>     * Tests this renderer for equality with an arbitrary object.<a name="line.414"></a>
<span class="sourceLineNo">415</span>     *<a name="line.415"></a>
<span class="sourceLineNo">416</span>     * @param obj  the object (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.416"></a>
<span class="sourceLineNo">417</span>     *<a name="line.417"></a>
<span class="sourceLineNo">418</span>     * @return A boolean.<a name="line.418"></a>
<span class="sourceLineNo">419</span>     */<a name="line.419"></a>
<span class="sourceLineNo">420</span>    public boolean equals(Object obj) {<a name="line.420"></a>
<span class="sourceLineNo">421</span>        if (obj == this) {<a name="line.421"></a>
<span class="sourceLineNo">422</span>            return true;<a name="line.422"></a>
<span class="sourceLineNo">423</span>        }<a name="line.423"></a>
<span class="sourceLineNo">424</span>        if (!(obj instanceof XYAreaRenderer2)) {<a name="line.424"></a>
<span class="sourceLineNo">425</span>            return false;<a name="line.425"></a>
<span class="sourceLineNo">426</span>        }<a name="line.426"></a>
<span class="sourceLineNo">427</span>        XYAreaRenderer2 that = (XYAreaRenderer2) obj;<a name="line.427"></a>
<span class="sourceLineNo">428</span>        if (this.showOutline != that.showOutline) {<a name="line.428"></a>
<span class="sourceLineNo">429</span>            return false;<a name="line.429"></a>
<span class="sourceLineNo">430</span>        }<a name="line.430"></a>
<span class="sourceLineNo">431</span>        if (!ShapeUtilities.equal(this.legendArea, that.legendArea)) {<a name="line.431"></a>
<span class="sourceLineNo">432</span>            return false;<a name="line.432"></a>
<span class="sourceLineNo">433</span>        }<a name="line.433"></a>
<span class="sourceLineNo">434</span>        return super.equals(obj);<a name="line.434"></a>
<span class="sourceLineNo">435</span>    }<a name="line.435"></a>
<span class="sourceLineNo">436</span><a name="line.436"></a>
<span class="sourceLineNo">437</span>    /**<a name="line.437"></a>
<span class="sourceLineNo">438</span>     * Returns a clone of the renderer.<a name="line.438"></a>
<span class="sourceLineNo">439</span>     *<a name="line.439"></a>
<span class="sourceLineNo">440</span>     * @return A clone.<a name="line.440"></a>
<span class="sourceLineNo">441</span>     *<a name="line.441"></a>
<span class="sourceLineNo">442</span>     * @throws CloneNotSupportedException  if the renderer cannot be cloned.<a name="line.442"></a>
<span class="sourceLineNo">443</span>     */<a name="line.443"></a>
<span class="sourceLineNo">444</span>    public Object clone() throws CloneNotSupportedException {<a name="line.444"></a>
<span class="sourceLineNo">445</span>        XYAreaRenderer2 clone = (XYAreaRenderer2) super.clone();<a name="line.445"></a>
<span class="sourceLineNo">446</span>        clone.legendArea = ShapeUtilities.clone(this.legendArea);<a name="line.446"></a>
<span class="sourceLineNo">447</span>        return clone;<a name="line.447"></a>
<span class="sourceLineNo">448</span>    }<a name="line.448"></a>
<span class="sourceLineNo">449</span><a name="line.449"></a>
<span class="sourceLineNo">450</span>    /**<a name="line.450"></a>
<span class="sourceLineNo">451</span>     * Provides serialization support.<a name="line.451"></a>
<span class="sourceLineNo">452</span>     *<a name="line.452"></a>
<span class="sourceLineNo">453</span>     * @param stream  the input stream.<a name="line.453"></a>
<span class="sourceLineNo">454</span>     *<a name="line.454"></a>
<span class="sourceLineNo">455</span>     * @throws IOException  if there is an I/O error.<a name="line.455"></a>
<span class="sourceLineNo">456</span>     * @throws ClassNotFoundException  if there is a classpath problem.<a name="line.456"></a>
<span class="sourceLineNo">457</span>     */<a name="line.457"></a>
<span class="sourceLineNo">458</span>    private void readObject(ObjectInputStream stream)<a name="line.458"></a>
<span class="sourceLineNo">459</span>            throws IOException, ClassNotFoundException {<a name="line.459"></a>
<span class="sourceLineNo">460</span>        stream.defaultReadObject();<a name="line.460"></a>
<span class="sourceLineNo">461</span>        this.legendArea = SerialUtilities.readShape(stream);<a name="line.461"></a>
<span class="sourceLineNo">462</span>    }<a name="line.462"></a>
<span class="sourceLineNo">463</span><a name="line.463"></a>
<span class="sourceLineNo">464</span>    /**<a name="line.464"></a>
<span class="sourceLineNo">465</span>     * Provides serialization support.<a name="line.465"></a>
<span class="sourceLineNo">466</span>     *<a name="line.466"></a>
<span class="sourceLineNo">467</span>     * @param stream  the output stream.<a name="line.467"></a>
<span class="sourceLineNo">468</span>     *<a name="line.468"></a>
<span class="sourceLineNo">469</span>     * @throws IOException  if there is an I/O error.<a name="line.469"></a>
<span class="sourceLineNo">470</span>     */<a name="line.470"></a>
<span class="sourceLineNo">471</span>    private void writeObject(ObjectOutputStream stream) throws IOException {<a name="line.471"></a>
<span class="sourceLineNo">472</span>        stream.defaultWriteObject();<a name="line.472"></a>
<span class="sourceLineNo">473</span>        SerialUtilities.writeShape(this.legendArea, stream);<a name="line.473"></a>
<span class="sourceLineNo">474</span>    }<a name="line.474"></a>
<span class="sourceLineNo">475</span><a name="line.475"></a>
<span class="sourceLineNo">476</span>}<a name="line.476"></a>
<span class="sourceLineNo">477</span><a name="line.477"></a>




























































</pre>
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